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class InterfaceCleaner
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include ActiveRecord::Sanitization
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ESCAPE_CHAR = '\\'
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def self.nic_pattern_to_like(nic)
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sanitize_sql_like(nic, ESCAPE_CHAR).tr('*', '%')
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end
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def self.ignored_interface_like_patterns
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Setting[:ignored_interface_identifiers].map { |pattern| nic_pattern_to_like(pattern) }
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end
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delegate :logger, :to => :Rails
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attr_reader :primary_nics, :provision_nics, :primary_hosts, :provision_hosts
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def clean!
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@deleted_count = delete_excluded_nics
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@primary_nics, @primary_hosts = excluded_nics.where(primary: true).pluck(:id, :host_id).transpose
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@provision_nics, @provision_hosts = excluded_nics.where(provision: true).pluck(:id, :host_id).transpose
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self
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end
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def deleted_count
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raise 'cleaner has not cleaned anything yet, run #clean! first' if @deleted_count.nil?
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@deleted_count
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end
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private
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def excluded_nics
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ignored_nic_patterns = InterfaceCleaner.ignored_interface_like_patterns
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arel = Nic::Base.arel_table
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chained_or = arel[:identifier].matches_any(ignored_nic_patterns, ESCAPE_CHAR, true)
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Nic::Base.where(chained_or)
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end
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def delete_excluded_nics
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nics = excluded_nics.where(primary: false, provision: false)
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logger.debug "Removing excluded nics..."
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deleted_nics = nics.delete_all
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logger.debug "Removed #{deleted_nics} nic records."
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deleted_nics
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end
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end
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